Rigger Calf Boot. Crackle Suede leather- has a distressed metallic effect. Purple faux fur lining. D-ring attachment used to fold down the boot and expose the inner lining. Comfort last specifically designed to fit a female foot. Goodyear-Welted product, the upper and sole are heat-sealed and sewn together. Dr. Martens air-cushion sole, oil and fat-resistant, offers good abrasion and slip resistance.